Use ConsoleKit to shutdown the system instead of HAL (deprecated)

use UPower to suspend the system instead of HAL (deprecated)
Rewrote computer shutdown/suspend code to avoid data loss

src/misc.cpp

@@ -209,13 +209,16 @@ long long misc::freeDiskSpaceOnPath(QString path) {
 #ifndef DISABLE_GUI
 void misc::shutdownComputer(bool sleep) {
 #if defined(Q_WS_X11) && defined(QT_DBUS_LIB)
-  // Use dbus to power off the system
-  // dbus-send --print-reply --system --dest=org.freedesktop.Hal /org/freedesktop/Hal/devices/computer org.freedesktop.Hal.Device.SystemPowerManagement.Shutdown
-  QDBusInterface computer("org.freedesktop.Hal", "/org/freedesktop/Hal/devices/computer", "org.freedesktop.Hal.Device.SystemPowerManagement", QDBusConnection::systemBus());
-  if(sleep)
-    computer.call("Suspend", 5);
-  else
-    computer.call("Shutdown");
+  // Use dbus to power off / suspend the system
+  if(sleep) {
+    QDBusInterface upowerIface("org.freedesktop.UPower", "/org/freedesktop/UPower",
+                            "org.freedesktop.UPower", QDBusConnection::systemBus());
+    upowerIface.call("Suspend");
+  } else {
+    QDBusInterface consolekitIface("org.freedesktop.ConsoleKit", "/org/freedesktop/ConsoleKit/Manager",
+                                   "org.freedesktop.ConsoleKit.Manager", QDBusConnection::systemBus());
+    consolekitIface.call("Stop");
+  }
 #endif
 #ifdef Q_WS_MAC
   AEEventID EventToSend;

src/qtlibtorrent/qbtsession.cpp

@@ -95,7 +95,7 @@ QBtSession::QBtSession()
   #ifndef DISABLE_GUI
   , geoipDBLoaded(false), resolve_countries(false)
   #endif
-  , m_tracker(0)
+  , m_tracker(0), m_shutdownAct(NO_SHUTDOWN)
 {
   BigRatioTimer = new QTimer(this);
   BigRatioTimer->setInterval(10000);
@@ -182,6 +182,10 @@ QBtSession::~QBtSession() {
   qDebug("Deleting the session");
   delete s;
   qDebug("BTSession destructor OUT");
+  if(m_shutdownAct != NO_SHUTDOWN) {
+    qDebug() << "Sending computer shutdown/suspend signal...";
+    misc::shutdownComputer(m_shutdownAct == SUSPEND_COMPUTER);
+  }
 }
 
 void QBtSession::preAllocateAllFiles(bool b) {
@@ -2112,9 +2116,10 @@ void QBtSession::readAlerts() {
               qDebug("Saving fast resume data");
               saveFastResumeData();
               // Make sure preferences are synced before exiting
-              pref.sync();
-              qDebug("Sending computer shutdown/suspend signal");
-              misc::shutdownComputer(suspend);
+              if(suspend)
+                m_shutdownAct = SUSPEND_COMPUTER;
+              else
+                m_shutdownAct = SHUTDOWN_COMPUTER;
             }
             qDebug("Exiting the application");
             qApp->exit();

src/qtlibtorrent/qbtsession.h

@@ -69,6 +69,7 @@ public:
 private:
   explicit QBtSession();
   static QBtSession* m_instance;
+  enum shutDownAction { NO_SHUTDOWN, SHUTDOWN_COMPUTER, SUSPEND_COMPUTER };
 
 public:
   static QBtSession* instance();
@@ -267,6 +268,7 @@ private:
   // Tracker
   QPointer<QTracker> m_tracker;
   TorrentSpeedMonitor *m_speedMonitor;
+  shutDownAction m_shutdownAct;
 
 };